the bus was heading to boston station when it t-boned the car. about 12 people were on the bus. a fairfax county fire rescue person told us at least one person was hospitalized, but is expected to be okay. >>> one of the three brand-new escalators at dupont circle south entrance is back in service now, but metro is still trying to figure out what caused it to shut down. the transit agency says something tripped the emergency shut-off switch this morning. the two exterior escalators remained in service. they were able to get it back up and running for this afternoon. it reopened two weeks ago after eight months while the escalators were replaced. >>> on the orange line, buses will replace trains between east falls church and clarendon. and trains will single track between vienna and east falls church. same thing between grovener and friendship heights on the red line. and green belt and college park on the green line. work starts tonight at 10:00 and will last through the day on monday. >>> when news 4 at 4:00 continues, a "modern family" drama. a young actress is removed from he